JP4969915B2 - 耐歪時効性に優れた高強度ラインパイプ用鋼管及び高強度ラインパイプ用鋼板並びにそれらの製造方法 - Google Patents
耐歪時効性に優れた高強度ラインパイプ用鋼管及び高強度ラインパイプ用鋼板並びにそれらの製造方法 Download PDFInfo
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- JP4969915B2 JP4969915B2 JP2006144147A JP2006144147A JP4969915B2 JP 4969915 B2 JP4969915 B2 JP 4969915B2 JP 2006144147 A JP2006144147 A JP 2006144147A JP 2006144147 A JP2006144147 A JP 2006144147A JP 4969915 B2 JP4969915 B2 JP 4969915B2
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- aging resistance
- strain aging
- pipe
- strength steel
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- 229910000831 Steel Inorganic materials 0.000 title claims description 212
- 239000010959 steel Substances 0.000 title claims description 212
- 230000032683 aging Effects 0.000 title claims description 70
- 238000004519 manufacturing process Methods 0.000 title claims description 29
- 229910001563 bainite Inorganic materials 0.000 claims description 65
- 238000001816 cooling Methods 0.000 claims description 43
- 238000005096 rolling process Methods 0.000 claims description 39
- 229910000734 martensite Inorganic materials 0.000 claims description 37
- 239000002184 metal Substances 0.000 claims description 27
- 229910052751 metal Inorganic materials 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 25
- 238000001953 recrystallisation Methods 0.000 claims description 19
- 229910052804 chromium Inorganic materials 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 229910052748 manganese Inorganic materials 0.000 claims description 13
- 229910052759 nickel Inorganic materials 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 229910052750 molybdenum Inorganic materials 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 11
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 7
- 230000001186 cumulative effect Effects 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 2
- 229910001566 austenite Inorganic materials 0.000 description 17
- 230000000694 effects Effects 0.000 description 15
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
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- 238000005098 hot rolling Methods 0.000 description 6
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- 229910000859 α-Fe Inorganic materials 0.000 description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
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- 229910052720 vanadium Inorganic materials 0.000 description 5
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- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
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- 238000009864 tensile test Methods 0.000 description 3
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- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- -1 MnS Chemical class 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
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- 229910052758 niobium Inorganic materials 0.000 description 2
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- 238000003303 reheating Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
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- 125000004429 atom Chemical group 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
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- 238000005304 joining Methods 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910001568 polygonal ferrite Inorganic materials 0.000 description 1
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- 150000003568 thioethers Chemical class 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/18—Submerged-arc welding
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
- C21D9/085—Cooling or quenching
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/02—Rigid pipes of metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Heat Treatment Of Steel (AREA)
- Arc Welding In General (AREA)
- Metal Rolling (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006144147A JP4969915B2 (ja) | 2006-05-24 | 2006-05-24 | 耐歪時効性に優れた高強度ラインパイプ用鋼管及び高強度ラインパイプ用鋼板並びにそれらの製造方法 |
EP07743726.7A EP2039793A4 (fr) | 2006-05-24 | 2007-05-14 | Tuyau d'acier de haute résistance présentant une excellente insensibilité au vieillissement par déformation pour tube de canalisation, plaque d'acier de haute résistance pour tube de canalisation et procédés de production de ces derniers |
PCT/JP2007/060291 WO2007136019A1 (fr) | 2006-05-24 | 2007-05-14 | Tuyau d'acier de haute résistance présentant une excellente insensibilité au vieillissement sous déformation pour tube de canalisation, plaque d'acier de haute résistance pour tube de canalisation et procédés de production de ces derniers |
BRPI0711795-7A BRPI0711795B1 (pt) | 2006-05-24 | 2007-05-14 | Chapa de aço para um material para tubo de aço de alta resistência superior em resistência à tensão de envelhecimento |
CN2007800186348A CN101448967B (zh) | 2006-05-24 | 2007-05-14 | 抗应变时效性优异的高强度管线管用钢管和高强度管线管用钢板以及它们的制造方法 |
KR1020087027177A KR101149926B1 (ko) | 2006-05-24 | 2007-05-14 | 내변형 시효성이 우수한 고강도 라인 파이프용 강관과 고강도 라인 파이프용 강판 및 이들의 제조 방법 |
US12/227,609 US20090092514A1 (en) | 2006-05-24 | 2007-05-14 | Steel pipe for high strength line pipe superior in strain aging resistance and steel plate for high strength line pipe and methods of production of the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006144147A JP4969915B2 (ja) | 2006-05-24 | 2006-05-24 | 耐歪時効性に優れた高強度ラインパイプ用鋼管及び高強度ラインパイプ用鋼板並びにそれらの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007314828A JP2007314828A (ja) | 2007-12-06 |
JP4969915B2 true JP4969915B2 (ja) | 2012-07-04 |
Family
ID=38723331
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006144147A Active JP4969915B2 (ja) | 2006-05-24 | 2006-05-24 | 耐歪時効性に優れた高強度ラインパイプ用鋼管及び高強度ラインパイプ用鋼板並びにそれらの製造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20090092514A1 (fr) |
EP (1) | EP2039793A4 (fr) |
JP (1) | JP4969915B2 (fr) |
KR (1) | KR101149926B1 (fr) |
CN (1) | CN101448967B (fr) |
BR (1) | BRPI0711795B1 (fr) |
WO (1) | WO2007136019A1 (fr) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5085364B2 (ja) * | 2007-02-09 | 2012-11-28 | 新日本製鐵株式会社 | 脆性破壊伝播停止特性と大入熱溶接熱影響部靭性に優れた厚手高強度鋼板の製造方法、及び、脆性破壊伝播停止特性と大入熱溶接熱影響部靭性に優れた厚手高強度鋼板 |
JP5223317B2 (ja) | 2007-12-05 | 2013-06-26 | ソニー株式会社 | プリンタ装置及びラミネート方法 |
JP2009235460A (ja) | 2008-03-26 | 2009-10-15 | Sumitomo Metal Ind Ltd | 耐震性能及び溶接熱影響部の低温靭性に優れた高強度uoe鋼管 |
JP5468248B2 (ja) * | 2008-12-04 | 2014-04-09 | キヤノン電子株式会社 | シャッタ羽根 |
JP4853575B2 (ja) * | 2009-02-06 | 2012-01-11 | Jfeスチール株式会社 | 耐座屈性能及び溶接熱影響部靭性に優れた低温用高強度鋼管およびその製造方法 |
JP4700740B2 (ja) * | 2009-02-18 | 2011-06-15 | 新日本製鐵株式会社 | 耐サワーラインパイプ用鋼板の製造方法 |
JP2011006781A (ja) * | 2009-05-25 | 2011-01-13 | Nippon Steel Corp | 低サイクル疲労特性に優れた自動車足回り部品とその製造方法 |
EP2612945B1 (fr) * | 2010-11-05 | 2014-04-16 | Nippon Steel & Sumitomo Metal Corporation | Plaque d'un acier à haute résistance et son procédé de fabrication |
CN103069020B (zh) * | 2011-04-19 | 2017-03-15 | 新日铁住金株式会社 | 油井用电焊钢管以及油井用电焊钢管的制造方法 |
RU2465343C1 (ru) * | 2011-08-31 | 2012-10-27 | Открытое акционерное общество "Магнитогорский металлургический комбинат" | Способ производства листов из низколегированной трубной стали класса прочности к56 |
JP5480215B2 (ja) | 2011-09-08 | 2014-04-23 | 株式会社神戸製鋼所 | 引張強さ780MPa以上の低降伏比厚肉円形鋼管用鋼板およびその製造方法、並びに引張強さ780MPa以上の低降伏比厚肉円形鋼管 |
JP2013204103A (ja) * | 2012-03-29 | 2013-10-07 | Jfe Steel Corp | 耐座屈性能に優れた低温用高強度溶接鋼管とその製造方法および耐座屈性能に優れた低温用高強度溶接鋼管用鋼板の製造方法 |
US9303487B2 (en) | 2012-04-30 | 2016-04-05 | Baker Hughes Incorporated | Heat treatment for removal of bauschinger effect or to accelerate cement curing |
RU2492250C1 (ru) * | 2012-06-29 | 2013-09-10 | Открытое акционерное общество "Магнитогорский металлургический комбинат" | Способ производства листового проката из низколегированной трубной стали класса прочности к65 |
WO2014086799A1 (fr) | 2012-12-03 | 2014-06-12 | Tata Steel Nederland Technology Bv | Bande ou tôle d'acier à haute résistance laminée à froid et recuite en continu ayant une bonne aptitude à l'emboutissage profond et procédé pour la production de ladite bande ou tôle d'acier |
WO2014143702A2 (fr) * | 2013-03-15 | 2014-09-18 | Am/Ns Calvert Llc | Aciers pour tube de canalisation et procédé de fabrication |
BR112015024840B1 (pt) | 2013-04-15 | 2020-03-31 | Nippon Steel Corporation | Chapa de aço laminada a quente |
JP6347198B2 (ja) * | 2014-10-06 | 2018-06-27 | 新日鐵住金株式会社 | 高強度低合金鋼 |
WO2016132549A1 (fr) | 2015-02-20 | 2016-08-25 | 新日鐵住金株式会社 | Tôle d'acier laminée à chaud |
EP3260565B1 (fr) | 2015-02-20 | 2019-07-31 | Nippon Steel Corporation | Tôle d'acier laminée à chaud |
WO2016135898A1 (fr) | 2015-02-25 | 2016-09-01 | 新日鐵住金株式会社 | Feuille ou plaque d'acier laminée à chaud |
PL3263729T3 (pl) | 2015-02-25 | 2020-05-18 | Nippon Steel Corporation | Blacha stalowa cienka walcowana na gorąco |
KR102205432B1 (ko) | 2016-08-05 | 2021-01-20 | 닛폰세이테츠 가부시키가이샤 | 강판 및 도금 강판 |
BR112019000766B8 (pt) | 2016-08-05 | 2023-03-14 | Nippon Steel & Sumitomo Metal Corp | Chapa de aço |
US20220220574A1 (en) * | 2019-03-28 | 2022-07-14 | Jfe Steel Corporation | Steel material for line pipes, method for producing the same, line pipe, and method for producing the line pipe |
CN111041362B (zh) * | 2019-12-16 | 2021-05-25 | 首钢集团有限公司 | 一种提高非调质螺栓钢包辛格效应的方法 |
CN114107791B (zh) * | 2020-08-31 | 2023-06-13 | 宝山钢铁股份有限公司 | 一种980MPa级全贝氏体型超高扩孔钢及其制造方法 |
CN114107798A (zh) * | 2020-08-31 | 2022-03-01 | 宝山钢铁股份有限公司 | 一种980MPa级贝氏体高扩孔钢及其制造方法 |
KR102376638B1 (ko) * | 2020-11-12 | 2022-03-22 | 한국생산기술연구원 | 강관 성형부의 저온 충격 인성을 개선하기 위한 용접 제어방법 및 이에 의해 제어되는 용접 장치 |
CN114438423A (zh) * | 2022-01-11 | 2022-05-06 | 日照钢铁控股集团有限公司 | 一种具有高韧性的管线钢及其制备方法 |
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JPS5877528A (ja) * | 1981-10-31 | 1983-05-10 | Nippon Steel Corp | 低温靭性の優れた高張力鋼の製造法 |
JPS624826A (ja) | 1985-07-01 | 1987-01-10 | Kobe Steel Ltd | 不安定延性破壊伝播停止特性にすぐれた高強度高靭性ラインパイプ用鋼板の製造方法 |
JPH07331381A (ja) * | 1994-06-06 | 1995-12-19 | Nippon Steel Corp | 高強度高靭性継目無鋼管およびその製造法 |
JP3817887B2 (ja) | 1997-02-25 | 2006-09-06 | 住友金属工業株式会社 | 高靭性高張力鋼およびその製造方法 |
JPH10237583A (ja) * | 1997-02-27 | 1998-09-08 | Sumitomo Metal Ind Ltd | 高張力鋼およびその製造方法 |
JP4071906B2 (ja) * | 1999-11-24 | 2008-04-02 | 新日本製鐵株式会社 | 低温靱性の優れた高張力ラインパイプ用鋼管の製造方法 |
JP2001303191A (ja) | 2000-04-19 | 2001-10-31 | Nippon Steel Corp | 溶接部haz靱性に優れた超高強度ラインパイプ鋼管とその製造方法 |
JP4171169B2 (ja) * | 2000-10-11 | 2008-10-22 | 新日本製鐵株式会社 | 耐低温割れ性に優れたシーム溶接部を有する超高強度鋼管とその製造方法 |
JP3846246B2 (ja) * | 2001-09-21 | 2006-11-15 | 住友金属工業株式会社 | 鋼管の製造方法 |
JP3869747B2 (ja) | 2002-04-09 | 2007-01-17 | 新日本製鐵株式会社 | 変形性能に優れた高強度鋼板、高強度鋼管および製造方法 |
JP3968011B2 (ja) | 2002-05-27 | 2007-08-29 | 新日本製鐵株式会社 | 低温靱性および溶接熱影響部靱性に優れた高強度鋼とその製造方法および高強度鋼管の製造方法 |
JP4507746B2 (ja) | 2003-07-31 | 2010-07-21 | Jfeスチール株式会社 | 耐歪時効特性に優れた低降伏比高強度高靱性鋼管及びその製造方法 |
JP4507745B2 (ja) * | 2003-07-31 | 2010-07-21 | Jfeスチール株式会社 | 耐歪時効特性に優れた低降伏比高強度高靱性鋼管およびその製造方法 |
JP4507747B2 (ja) | 2003-07-31 | 2010-07-21 | Jfeスチール株式会社 | 耐歪時効特性に優れた低降伏比高強度高靱性鋼管及びその製造方法 |
JP4655670B2 (ja) * | 2005-02-24 | 2011-03-23 | Jfeスチール株式会社 | 低降伏比且つ溶接部靭性に優れた高強度溶接鋼管の製造方法 |
JP5028761B2 (ja) * | 2005-07-19 | 2012-09-19 | Jfeスチール株式会社 | 高強度溶接鋼管の製造方法 |
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KR20080110663A (ko) | 2008-12-18 |
CN101448967B (zh) | 2011-04-13 |
EP2039793A4 (fr) | 2015-11-04 |
BRPI0711795B1 (pt) | 2018-02-27 |
BRPI0711795A2 (pt) | 2011-12-06 |
CN101448967A (zh) | 2009-06-03 |
KR101149926B1 (ko) | 2012-05-30 |
JP2007314828A (ja) | 2007-12-06 |
EP2039793A1 (fr) | 2009-03-25 |
US20090092514A1 (en) | 2009-04-09 |
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